Question

(x-1)^2=1

gúp mình với

Answer 1

x = 0

Answer 2

\(\left(x-1\right)^2=1\\ \Rightarrow x-1=\pm1\\ \Rightarrow\left\{{}\begin{matrix}x-1=1\Rightarrow x=1+1=2\\x-1=-1\Rightarrow x=-1+1=0\end{matrix}\right.\)

Answer 3

   ( x - 1 )² = 1

=>  ( x - 1 )² = 1²

=>   x - 1 = 1

           x = 1 + 1

           x = 2